Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Matthew L Davis, MD

Individual provider Psychiatry Physician · NPI 1528004744

Dr. Matthew L Davis, MD is a Psychiatry in St Joseph, Michigan. Graduated from Indiana University School of Medicine in 1991, 35 years ago. Practices with Berrien Mental Health Authority, a 21-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
35
Trained at
Indiana University School of Medicine
Licensed in
MI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2500 Niles Rd Ste #7
St Joseph, MI 49085
Phone: (269) 982-7844
Fax: (269) 982-1783
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 4301084762 (MI)

Record details

NPI number1528004744
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2006
Last updated in NPPESJanuary 25, 2011
Mailing address2500 Niles Road, Suite #7, St Joseph, MI 48085

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Berrien Mental Health Authority — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount